We had the same issue but not sure what fixed it. Assuming you'd is like ours, a bayonet style with double contact base. Why they're double contact is puzzling. After letting the smoke out of 3 or 4 bulbs, I exercised the socket several times by putting in and removing a bulb until they felt "right". (Power off) The first few times they felt a bit tight and difficult to remove but soon seemed to take to training. Haven't lost a bulb since. I did go with a lower wattage lamp.
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2019 Pinnacle 36 FBTS
2016 Silverado 3500 CC SRW DuraMax/Allison
1975 Corvette for the sunny days n dry roads
2017 RZR for the rainy days n muddy roads
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